EP3014602B1 - Selection panel for a beverage dispensing device - Google Patents
Selection panel for a beverage dispensing device Download PDFInfo
- Publication number
- EP3014602B1 EP3014602B1 EP14732209.3A EP14732209A EP3014602B1 EP 3014602 B1 EP3014602 B1 EP 3014602B1 EP 14732209 A EP14732209 A EP 14732209A EP 3014602 B1 EP3014602 B1 EP 3014602B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- front window
- light source
- selection panel
- reflector means
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
- G09F23/06—Advertising on or in specific articles, e.g. ashtrays, letter-boxes the advertising matter being combined with articles for restaurants, shops or offices
- G09F23/065—Advertising in food vending machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0872—Aesthetics, advertising
- B67D1/0877—Advertising means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/18—Edge-illuminated signs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/08—Fastening or securing by means not forming part of the material of the label itself
- G09F3/18—Casings, frames or enclosures for labels
- G09F3/20—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels
- G09F3/201—Enclosures enveloping completely the labels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/14—Arrangements of reflectors therein
- G09F2013/145—Arrangements of reflectors therein curved reflectors
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
- G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
Definitions
- the invention relates to a dispensing device for liquid comestibles having a selection panel for displaying product information.
- the invention relates to a selection panel comprising an enhanced illumination arrangement for the displayed product information.
- Beverage dispensing devices for preparing a liquid comestible such as coffee, tea, soup or the like are well known in the prior art. Beverage dispensing devices are also known which are designed for preparing and serving a multitude of different beverage-types among which the user or consumer may choose. In order to obtain such choice between different beverages or products to be prepared by the device, a user interface is usually provided at the dispensing device.
- a known way of providing information and enabling a selection of a desired beverage type to be prepared by the dispensing device is the provision of a dedicated area or information zone which presents the labels of the different beverages that can be dispensed from or prepared by the device.
- These labels are usually paper-made labels that can be easily and cost-effectively changed. This is in particularly desired in case new or different beverage ingredients are provided to the device in order to enable the dispensing or preparation of a different beverage type.
- the information area or zone in which the labels are presented may comprise a transparent window behind which the label is presented.
- the label may be held in place behind the window by dedicated connection means.
- a back light may be provided by means of which the label is illuminated.
- WO 94/18647 for example describes a beverage discharging machine providing a multi-product respectively a multi-flavor selection front panel comprising a plurality of selection buttons and respective flavor label windows behind which are mounted product identification labels.
- the product identification labels are back lighted by dedicated illumination sources arranged directly behind the respective product identification labels.
- the present invention seeks to address the above-described problems.
- the invention also aims at other objects and particularly the solution of other problems as will appear in the rest of the present description.
- the invention relates to a selection panel according to the features of Claim 1.
- the light source is preferably arranged outside of the contours of the respective display zone when seen in top view onto the front window, i.e. a view perpendicular to a plane in which the front window is arranged.
- a homogenous distribution of the light emitted by the respective light source is obtained.
- a homogenous distribution of light towards a respective display zone in which a product information label is arranged leads to an optimal illumination of a product information label.
- the user or customer gets the impression that the front window or panel which may comprise a plurality of such display zones being homogenously illuminated is a screen presenting the dedicated information on the product information labels arranged within the respective display zones.
- the product information label is translucent. It is noted that the term "translucent product information label” encompasses any label made from a material which enables a transmission of at least a portion of light provided to a rear surface of the label to a front surface thereon.
- the product information label is preferably made from translucent paper, cardboard or other suitable materials.
- the product information label is preferably a paper sheet label comprising imprinted product information.
- the reflector means is preferably arranged at the rear side of the display zone in order to provide light emitted by the light source towards the rear side of a product information label arranged within the respective display zone.
- the light source for enabling an illumination of the respective display zone is preferably arranged at a lateral side of the respective display zone, i.e. outside the contours of the respective display zone. Accordingly to the invention, a uniform light distribution towards the rear surface of the respective display zone is obtained.
- the light source is arranged with respect to the front window and/or the reflector means of the panel such that light emitted by the light source is essentially prevented from directly impinging on the respective display zone of the front window. Accordingly, the creation of undesired 'spots' on the product information label is prevented.
- the main emission direction of the light emitted by the light source is preferably arranged essentially in parallel to a plane in which the front window lies.
- the reflector means is arranged with respect to the front window such as to homogenously distribute the light provided by the respective light source towards a respective display zone.
- the reflector consists in a recession extending in the rear of the respective display zone, wherein :
- the curve profile design is implicitly concave.
- the rear wall and the end lateral wall present a surface configured for diffusing reflected light, that is for dividing the incident light beam in several reflected light beams with different orientations.
- This effect can be obtained with a rough surface or by structuring the geometry of the surface to get diffusion of the reflected light.
- the rear wall of the recession is substantially parallel to the rear surface of the front window.
- the side of the recession next to the light source is at least partially opened. This opening enables the emission of the light from the light source in direction of the reflector.
- the plurality of associated reflector means is preferably assembled in a single piece of material.
- the selection panel preferably comprises a plurality of light sources and display zones which are associated, such that a respective light source is designed for selectively illuminating only its associated display zone.
- the display zones of the selection panel are preferably arranged directly adjacent to each other on the front window of the selection panel.
- the reflector means preferably comprise at least one deflector designed for reflecting respectively deflecting the light emitted by the light source towards the display zone of the front window.
- the at least one deflector may be constituted by a recession formed in an essentially plane surface of the reflector.
- the reflector means may comprise a plurality of deflectors which are each formed by a recession in the reflector designed for reflecting light of the respective light source towards the associated display zone of the front window.
- the deflectors are preferably hollowed portions in a unitary single piece constituting the reflector means.
- the unitary single piece constituting the reflector means is preferably of plate-like shape.
- the reflector means are preferably reflective and/or diffusive.
- the reflector means preferably comprise a reflective and/or diffusive surface, in which the respective recessions forming the deflectors are formed.
- the reflector means may be made from a material such as aluminum.
- the surface of the reflector may as well be coated with a reflective medium such as a highly reflective white plastic coating.
- the reflector means may further comprises shielding or delimitation means designed for preventing the provision of light emitted by a respective light source to a display zone not associated with the respective light source.
- an outer surface or boundary of a deflector of the reflector means is preferably in contact with respectively pressed against its associated product information label in order to prevent light from the associated light source to illuminate an adjacent product information label of the selection panel.
- the light source of the selection panel is preferably a LED lamp.
- the LED lamp may comprise a single LED chip or a plurality of different LED chips.
- the LED chip(s) of the LED lamp may further comprise an applied color conversion layer.
- the LED lamp is preferably designed for emitting white light.
- the light source may further comprise a reflector having a preferably parabolic inner surface such as to concentrate the light bundle emitted by the LED chip in a specific direction.
- the selection panel may comprise a plurality of LED lamps wherein each LED lamp is arranged for illumination of an associated display zone of the front window. Accordingly, the respective LED lamps are preferably designed for providing light to their associated deflectors of the reflector means, which in turn provide the reflected light to a rear surface of the associated display zone of the front window.
- the reflector means may be designed to be selectively connectable to the front window.
- the reflector means are designed such as to support at least one product information label between a rear surface of the front window and a conformable shaped upper surface of the reflector means in a connected state of the front window and the reflector means.
- the at least one product information label is preferably arranged 'sandwiched' between an upper surface of the reflector means and a rear surface of the front window in their connected state.
- the reflector means and/or the rear surface of the front window may comprise additional support means for supporting the respective product information label at a fixed position between the reflector means and the front window.
- the front window is preferably made from a transparent glass.
- the front window of the selection panel is preferably void of any demarcation between respective display zones. Accordingly, the transparent front glass does not present any demarcation associated to each label so that it is perceived by the customer as a homogenous screen and not as a divided glass panel.
- the front window may however comprise a demarcation such as for example small protruding supportive wall members on the side facing the product information label(s) in order to improve the contact of each label with its associated deflector and furthermore prevent that light bypasses its associated deflector.
- a demarcation such as for example small protruding supportive wall members on the side facing the product information label(s) in order to improve the contact of each label with its associated deflector and furthermore prevent that light bypasses its associated deflector.
- the beverage selection panel may further comprise dedicated selection buttons which are arranged in vicinity to the display zones of the panel.
- the selection panel may as well be equipped with dedicated sensor means for sensing a pressure on a dedicated display zone of the panel. Accordingly, the user or customer may choose a product by pressing onto/against the respective display zone of the selection panel.
- the invention relates to a beverage dispensing machine comprising a selection panel as described here-above.
- a vending machine may be equipped with a product selection panel according to the invention.
- the machine preferably comprises a front door in which the front window of the selection panel is supported.
- the reflector means is preferably moveably attached to an inside surface of the front door by dedicated connection means. Accordingly, the reflector means are preferably designed to be brought from an open state in which a product information label may be placed onto the rear surface of the front window into a closed state in which the reflector means are brought in contact with a rear surface of the front window. In this closed state, the at least one product information label is preferably sandwiched between a rear surface of the front window and an upper surface of the reflector means.
- Access to the product information labels respectively the sheet(s) of labels may thus be provided from the inside face of the front door of the machine. Accordingly, when the label(s) have to be changed, the operator may open the front door in order to disconnect the reflector means respectively the plate comprising the deflectors from the rear surface of the front window to get access to the label(s).
- the plate of deflectors may be attached to the inside of the front door by a hinge so that it can be easily pulled to open the assembly of the selection front panel and remove the product information label(s).
- the reflector means may further comprise a handle to facilitate its movement with respect to the front door and/or the front window.
- the front door of the machine may further comprise at least one selection button arranged in vicinity to the respective display zone of the front window. Accordingly, the user or consumer may choose a product to be prepared and/or dispensed by means of the selection button placed in vicinity of the product information label in the dedicated display zone of the selection panel.
- Figure 1 relates to a front view of a beverage preparation machine 20 comprising a selection panel 1 according to the present invention.
- the selection panel 1 comprises a front window 2.
- the front window preferably comprises a plurality of display zones 3a, 3b, 3c, 3d, 3e, 3f.
- product information labels 4a, 4b, 4c, 4d, 4e, 4f are arranged.
- product information such as for example a product name or product sign is preferably imprinted.
- illumination means to be further described below an illumination of the respective display zone and thus, of the product information label arranged within the respective display zone is enabled.
- the respective product information labels 4a, 4b, 4c, 4d, 4e, 4f indicated in figure 1 may be formed by a single label sheet.
- buttons 13a, 13b, 13c, 13d, 13e, 13f are arranged for enabling a consumer or user to choose a selection based on the information displayed by the label within the respective display zone.
- the front window 2 may be equipped with sensor means for sensing a pressure applied to or contact of a human finger with one of the respective display zones in order to enable a selection of the desired beverage product.
- the beverage preparation machine 20 is designed for preparing a plurality of different liquid comestibles such as for example different types of beverages.
- the machine 20 may comprise at least a liquid reservoir, a pump, and a heating device such as a thermoblock.
- the machine 20 comprises a housing 20a and a dispensing area 21 at which the selected beverage is provided.
- the dispensing area may be designed to support and/or house a receptacle such as a cup in order to enable the dispensing into the provided receptacle by dedicated outlet means arranged at the dispensing area (not shown).
- Figure 2 relates to a preferred embodiment of the selection panel 1 according to the invention.
- the front window 2 is divided in a plurality of display zones 3a, 3b, 3c, 3d, 3e, 3f indicated by the dotted lines in figure 2 .
- the outer front surface of the window 2 is preferably void of any demarcation such as a wall member or the like.
- the outer surface is preferably flat or presents a smooth surface without any protrusions and/or recessions.
- the outer surface may as well be slightly bent.
- the panel 1 further comprises an assembly 6 of reflector means which is preferably an integrally formed piece.
- the upper surface (see figure 3 ) of the assembly 6 is preferably formed conformable to a rear surface of the window 2. Thereby, the upper surface of the assembly 6 is preferably essentially flat or slightly bent. Accordingly, the reflector means 6 is designed to be in tight contact with the rear surface of the window 2 by means of the provided surface of the reflector means assembly 6.
- the assembly 6 preferably comprises a plurality of reflectors means 6a, 6b, 6c, 6d, 6e, 6f which are cavities, all of these cavities presenting the same shape.
- the shape substantially corresponds to a parallepiped box wherein the face in front of the display zone is opened.
- Each of these reflectors means 6a, 6b, 6c, 6d, 6e, 6f is selectively illuminated by one corresponding light source 5a, 5b, 5c, 5d, 5e, 5f.
- the light sources 5a, 5b, 5c, 5d, 5e, 5f are arranged outside of the contours of the respective display zones 3a, 3b, 3c, 3d, 3e, 3f.
- the light sources are thus not arranged behind the respective display zones to be illuminated, but at the side of the respective display sources.
- the light sources are positioned at the external side of the cavities.
- the face of the box in front of the light source 5a, 5b, 5c, 5d, 5e, 5f is at least partially opened so that the light enters.
- the reflector means 6 are arranged with respect to the front window 2 such that the reflectors 6a, 6b, 6c, 6d, 6e, 6f are placed behind the respective display zones 3a, 3b, 3c, 3d, 3e, 3f of the front window 2. Accordingly, the reflectors are arranged to illuminate an associated rear surface portion of the window 2 and thus a rear surface portion of an associated display zone.
- the light sources are preferably held by dedicated support members 14a, 14b arranged at the side of the reflector assembly 6.
- the support members 14a, 14b preferably hold the light sources 5a, 5b, 5c, 5d, 5e, 5f such that the emitted light is directed from the side of the reflector means 6 towards the reflectors 6a, 6b, 6c, 6d, 6e, 6f of the reflector means and thus to the rear surface of the window 2 corresponding to the display zone associated to the respective light source.
- each of light sources 5a, 5b, 5c, 5d, 5e, 5f emits a bundle of light having a main emission direction respectively emission axis M, which is preferably essentially parallel to a plane in which the front window 2 is arranged.
- the main emission direction of the respective light source 5a, 5b, 5c, 5d, 5e, 5f is preferably arranged at an angle less than 25°, more preferably less than 15° with respect to the inner surface of the front window 2 and/or with respect to a plane in which the front window 2 is arranged.
- each reflector means 6a, 6d consists in a recession extending in the rear of the respective display zone 3a, 3d.
- the outlines of each recession 6a, 6d respectively comprises a rear wall 6a3 and 6d3 and lateral walls 6a1, 6a2, 6a4 and 6d1, 6d2, 6d4.
- the rear wall 6a3, 6d3 of each recession 6a, 6d is substantially parallel to the rear surface of the front window 2 as apparent in Figure 3 .
- the lateral walls 6a1, 6a2, 6a4 and 6d1, 6d2, 6d4 raises from its corresponding rear wall up 6a3 and 6d3 to the rear surface of the front window 2.
- the lateral walls comprise :
- the side 6a5 of the recession 6a next to its respective light source 5a is opened. It can be totally opened as illustrated in Figure 4 - then the recession 6a can present no lateral wall 6a5 as illustrated in Figure 4 - or it can present a lateral wall 6a5 that is partially opened for light emission as illustrated in Figures 2 and 3 .
- the partial opening can improve illumination and presents also the interest of enabling the conformal cooperation of the reflector with the rear surface of window to maintain a label 4a in between.
- the reflectors 6a, 6d lead to a deflection of the light emitted by the respective light source 5a, 5d towards the rear surface 2a of the front window 2 and thus, to the respective display zones 3a, 3d. Accordingly, a homogenous distribution of light towards the rear surface 2a of the respective display zone 3a, 3d is obtained.
- FIG 4 illustrates the preferred embodiment of a reflector assembly 6 of the invention.
- the reflector means 6 is preferably an integral piece made from metal plastic, preferably in a light colour.
- the reflector assembly 6 comprises a surface which is conformable formed to the rear surface of the window 2 in order to neatly sandwich a product information label between these surfaces.
- the reflector means 6 further comprises shielding means 6d4, 6e5 for preventing the provision of light emitted by a respective light source to a display zone not associated with the respective light source.
- shielding means are formed by the upper and lower faces of the cavities of the reflector means 6d, 6e.
- the shielding means 7a may thus prevent the provision of light from a first deflector to a neighboring deflector or display zone.
- Figure 5 relates to a rear view onto the front door 10 of a beverage machine 20 according to the invention.
- the front door 10 may be connected to the housing 20a by means of joints 10b formed at the inside face 10a of the front door 10. Accordingly, the front door is movably attached to the housing 20a.
- the front door 10 is designed to support the front window 2 of the selection panel. Thereby, dedicated support means may be arranged at the circumference of the front window 2 in order to fixedly connect the window 2, as well as the selection panel 1.
- the assembly of reflector 6 is preferably moveably connected to the inside face 10a of the front door 10 by dedicated connection means 11 as illustrated in Figure 6 .
- a hinge or joint member 11 may be provided for selectively connecting the reflector assembly 6 to the front window 2 respectively to the front door 10 such as to be in contact with the rear surface 2a of the front window 2.
- the reflector assembly 6 is designed to be brought from an open state in which a product information label 4a, 4b, 4c, 4d, 4e, 4f may be placed onto the rear surface of the front window 2 into a closed state in which the reflector assembly 6 is brought in contact with the rear surface of the front window 2.
- the at least one product information label is preferably sandwiched between the rear surface of the front window 2 and the upper surface of the reflector assembly.
- the reflector assembly 6 may be attached to the inside of the front door 10a by a hinge 11 so that it can be easily pulled to open the assembly of the selection front panel and remove the product information label(s).
- the reflector assembly 6 may also comprise a handle 12 to facilitate its movement with respect to the front door 10 and/or the front window 2.
- FIG 7 is a part of Figure 3 in which the paths of two light beams L1, L2 have been illustrated.
- Each beam L1, L2 is reflected on the rear wall 6a3 and on the end lateral wall 6a1 as a plurality of sub-beams l1, l2 respectively. Due to the orientation of the reflecting walls 6a1, 6a3 compared to the emission axis M and the curved shape between said walls, light beam L1 reflecting on rear wall 6a3 creates sub-beams l1 homogeneously distributed on the display zone 3a, whereas light beam L2 reflecting on rear wall 6a1 creates sub-beams l2 essentially distributed on the left part of the display zone 3a closest to the side 6a5 of the reflector.
- display zone 3a is finally homogeneously crossed by reflected sub-beams l1 and l2 and no spot of light appears on said display zone for the user looking at the display zone from the exterior.
- a label positioned between along the surface of the display zone 3a is homogeneously illuminated.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Description
- The invention relates to a dispensing device for liquid comestibles having a selection panel for displaying product information. In particular, the invention relates to a selection panel comprising an enhanced illumination arrangement for the displayed product information.
- Beverage dispensing devices for preparing a liquid comestible such as coffee, tea, soup or the like are well known in the prior art. Beverage dispensing devices are also known which are designed for preparing and serving a multitude of different beverage-types among which the user or consumer may choose. In order to obtain such choice between different beverages or products to be prepared by the device, a user interface is usually provided at the dispensing device.
- A known way of providing information and enabling a selection of a desired beverage type to be prepared by the dispensing device is the provision of a dedicated area or information zone which presents the labels of the different beverages that can be dispensed from or prepared by the device. These labels are usually paper-made labels that can be easily and cost-effectively changed. This is in particularly desired in case new or different beverage ingredients are provided to the device in order to enable the dispensing or preparation of a different beverage type.
- The information area or zone in which the labels are presented may comprise a transparent window behind which the label is presented. The label may be held in place behind the window by dedicated connection means. In order to provide an enhanced readability and/or to obtain improved appearance of the label and the information presented thereon, a back light may be provided by means of which the label is illuminated.
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WO 94/18647 - This arrangement of the light source(s) does however not enable a very homogeneous label illumination and frequently the customer or user may observe a 'spot' of light on a particular zone of the label. From such appearance, the customer learns that the label provided behind a window is a paper label illuminated from behind, which provides a rather cheap aspect to the dispenser. Moreover, the readability of the identification label may be negatively affected. Document
JP2008289677A - Hence, a solution is sought-after which enables the provision of an enhanced illumination arrangement for labels of such beverage dispensing devices. Thereby, a homogenous light distribution of such a backlight over the whole area respectively surface of the label is particularly desired.
- The present invention seeks to address the above-described problems. The invention also aims at other objects and particularly the solution of other problems as will appear in the rest of the present description.
- According to a first aspect, the invention relates to a selection panel according to the features of
Claim 1. - The light source is preferably arranged outside of the contours of the respective display zone when seen in top view onto the front window, i.e. a view perpendicular to a plane in which the front window is arranged.
- According to the invention, a homogenous distribution of the light emitted by the respective light source is obtained. In particular, a homogenous distribution of light towards a respective display zone in which a product information label is arranged leads to an optimal illumination of a product information label.
- Thereby, the user or customer gets the impression that the front window or panel which may comprise a plurality of such display zones being homogenously illuminated is a screen presenting the dedicated information on the product information labels arranged within the respective display zones.
- Preferably the product information label is translucent. It is noted that the term "translucent product information label" encompasses any label made from a material which enables a transmission of at least a portion of light provided to a rear surface of the label to a front surface thereon.
- The product information label is preferably made from translucent paper, cardboard or other suitable materials. The product information label is preferably a paper sheet label comprising imprinted product information.
- The reflector means is preferably arranged at the rear side of the display zone in order to provide light emitted by the light source towards the rear side of a product information label arranged within the respective display zone. The light source for enabling an illumination of the respective display zone is preferably arranged at a lateral side of the respective display zone, i.e. outside the contours of the respective display zone. Accordingly to the invention, a uniform light distribution towards the rear surface of the respective display zone is obtained.
- In a preferred embodiment, the light source is arranged with respect to the front window and/or the reflector means of the panel such that light emitted by the light source is essentially prevented from directly impinging on the respective display zone of the front window. Accordingly, the creation of undesired 'spots' on the product information label is prevented.
- The main emission direction of the light emitted by the light source is preferably arranged essentially in parallel to a plane in which the front window lies.
- The reflector means is arranged with respect to the front window such as to homogenously distribute the light provided by the respective light source towards a respective display zone.
- According to the preferred embodiment the reflector consists in a recession extending in the rear of the respective display zone, wherein :
- the outlines of said recession comprise a rear wall and lateral walls, said lateral walls raising from said rear wall up to the rear surface of the front window and said lateral walls comprising at least:
- two side lateral walls parallel to the main emission direction of the light emitted by the light source, and
- one end lateral wall on the opposite side of the light source,
and
- the rear wall (6a3) and the end lateral wall (6a1) join together according to a curved profile design.
- The curve profile design is implicitly concave.
- Preferably the rear wall and the end lateral wall present a surface configured for diffusing reflected light, that is for dividing the incident light beam in several reflected light beams with different orientations. This effect can be obtained with a rough surface or by structuring the geometry of the surface to get diffusion of the reflected light.
- According to a particular implementation :
- the end lateral wall abuts on the rear surface of the front window according to an angle α of about 25° with the plane (P) perpendicular to the front window, and
- the end of the rear wall next to the light source is designed such that it is oriented with an angle β of about 83° with the plane (P) perpendicular to the front window.
- Preferably the rear wall of the recession is substantially parallel to the rear surface of the front window.
- Preferably the side of the recession next to the light source is at least partially opened. This opening enables the emission of the light from the light source in direction of the reflector.
- The plurality of associated reflector means is preferably assembled in a single piece of material.
- The selection panel preferably comprises a plurality of light sources and display zones which are associated, such that a respective light source is designed for selectively illuminating only its associated display zone.
- The display zones of the selection panel are preferably arranged directly adjacent to each other on the front window of the selection panel.
- The reflector means preferably comprise at least one deflector designed for reflecting respectively deflecting the light emitted by the light source towards the display zone of the front window. The at least one deflector may be constituted by a recession formed in an essentially plane surface of the reflector.
- The reflector means may comprise a plurality of deflectors which are each formed by a recession in the reflector designed for reflecting light of the respective light source towards the associated display zone of the front window. The deflectors are preferably hollowed portions in a unitary single piece constituting the reflector means. The unitary single piece constituting the reflector means is preferably of plate-like shape.
- The reflector means are preferably reflective and/or diffusive. The reflector means preferably comprise a reflective and/or diffusive surface, in which the respective recessions forming the deflectors are formed. The reflector means may be made from a material such as aluminum. The surface of the reflector may as well be coated with a reflective medium such as a highly reflective white plastic coating.
- The reflector means may further comprises shielding or delimitation means designed for preventing the provision of light emitted by a respective light source to a display zone not associated with the respective light source.
- Thereby, an outer surface or boundary of a deflector of the reflector means is preferably in contact with respectively pressed against its associated product information label in order to prevent light from the associated light source to illuminate an adjacent product information label of the selection panel.
- The light source of the selection panel is preferably a LED lamp. The LED lamp may comprise a single LED chip or a plurality of different LED chips. The LED chip(s) of the LED lamp may further comprise an applied color conversion layer. The LED lamp is preferably designed for emitting white light. The light source may further comprise a reflector having a preferably parabolic inner surface such as to concentrate the light bundle emitted by the LED chip in a specific direction.
- As previously described, the selection panel may comprise a plurality of LED lamps wherein each LED lamp is arranged for illumination of an associated display zone of the front window. Accordingly, the respective LED lamps are preferably designed for providing light to their associated deflectors of the reflector means, which in turn provide the reflected light to a rear surface of the associated display zone of the front window.
- The reflector means may be designed to be selectively connectable to the front window.
- In a preferred embodiment, the reflector means are designed such as to support at least one product information label between a rear surface of the front window and a conformable shaped upper surface of the reflector means in a connected state of the front window and the reflector means. Accordingly, the at least one product information label is preferably arranged 'sandwiched' between an upper surface of the reflector means and a rear surface of the front window in their connected state. Thereby, the reflector means and/or the rear surface of the front window may comprise additional support means for supporting the respective product information label at a fixed position between the reflector means and the front window.
- The front window is preferably made from a transparent glass.
- The front window of the selection panel is preferably void of any demarcation between respective display zones. Accordingly, the transparent front glass does not present any demarcation associated to each label so that it is perceived by the customer as a homogenous screen and not as a divided glass panel.
- The front window may however comprise a demarcation such as for example small protruding supportive wall members on the side facing the product information label(s) in order to improve the contact of each label with its associated deflector and furthermore prevent that light bypasses its associated deflector.
- The beverage selection panel may further comprise dedicated selection buttons which are arranged in vicinity to the display zones of the panel. Alternatively, the selection panel may as well be equipped with dedicated sensor means for sensing a pressure on a dedicated display zone of the panel. Accordingly, the user or customer may choose a product by pressing onto/against the respective display zone of the selection panel.
- In a further aspect, the invention relates to a beverage dispensing machine comprising a selection panel as described here-above.
- Furthermore, also a vending machine may be equipped with a product selection panel according to the invention.
- The machine preferably comprises a front door in which the front window of the selection panel is supported.
- The reflector means is preferably moveably attached to an inside surface of the front door by dedicated connection means. Accordingly, the reflector means are preferably designed to be brought from an open state in which a product information label may be placed onto the rear surface of the front window into a closed state in which the reflector means are brought in contact with a rear surface of the front window. In this closed state, the at least one product information label is preferably sandwiched between a rear surface of the front window and an upper surface of the reflector means.
- Access to the product information labels respectively the sheet(s) of labels may thus be provided from the inside face of the front door of the machine. Accordingly, when the label(s) have to be changed, the operator may open the front door in order to disconnect the reflector means respectively the plate comprising the deflectors from the rear surface of the front window to get access to the label(s). The plate of deflectors may be attached to the inside of the front door by a hinge so that it can be easily pulled to open the assembly of the selection front panel and remove the product information label(s). The reflector means may further comprise a handle to facilitate its movement with respect to the front door and/or the front window.
- The front door of the machine may further comprise at least one selection button arranged in vicinity to the respective display zone of the front window. Accordingly, the user or consumer may choose a product to be prepared and/or dispensed by means of the selection button placed in vicinity of the product information label in the dedicated display zone of the selection panel.
- Further features, advantages and objects of the present invention will become apparent for the skilled person when reading the following detailed description of embodiments of the present invention, when taken in conjunction with the figures of the enclosed drawings.
-
Fig. 1 shows a front view of a beverage preparation machine comprising a preferred embodiment of the selection panel according to the invention. -
Fig. 2 shows a perspective side view of a preferred embodiment of the selection panel according to the invention. -
Fig. 3 shows a sectional top view onto a preferred embodiment of a selection panel according to the invention. -
Fig. 4 shows a perspective side view of an assembly of reflector means according to the invention. -
Fig. 5 shows a rear view onto the front door of a beverage machine according to the invention. -
Fig. 6 shows a perspective side view of the selection panel according to the invention during the step of replacement of the labels. -
Fig. 7 shows the reflection of two light beams on the reflector. -
Figure 1 relates to a front view of abeverage preparation machine 20 comprising aselection panel 1 according to the present invention. Theselection panel 1 comprises afront window 2. The front window preferably comprises a plurality ofdisplay zones - The respective product information labels 4a, 4b, 4c, 4d, 4e, 4f indicated in
figure 1 may be formed by a single label sheet. - Adjacent to the
respective display zones buttons buttons front window 2 may be equipped with sensor means for sensing a pressure applied to or contact of a human finger with one of the respective display zones in order to enable a selection of the desired beverage product. - The
beverage preparation machine 20 is designed for preparing a plurality of different liquid comestibles such as for example different types of beverages. Thereby, themachine 20 may comprise at least a liquid reservoir, a pump, and a heating device such as a thermoblock. - The
machine 20 comprises ahousing 20a and a dispensingarea 21 at which the selected beverage is provided. Thereby, the dispensing area may be designed to support and/or house a receptacle such as a cup in order to enable the dispensing into the provided receptacle by dedicated outlet means arranged at the dispensing area (not shown). -
Figure 2 relates to a preferred embodiment of theselection panel 1 according to the invention. Thefront window 2 is divided in a plurality ofdisplay zones figure 2 . The outer front surface of thewindow 2 is preferably void of any demarcation such as a wall member or the like. The outer surface is preferably flat or presents a smooth surface without any protrusions and/or recessions. The outer surface may as well be slightly bent. - The
panel 1 further comprises anassembly 6 of reflector means which is preferably an integrally formed piece. The upper surface (seefigure 3 ) of theassembly 6 is preferably formed conformable to a rear surface of thewindow 2. Thereby, the upper surface of theassembly 6 is preferably essentially flat or slightly bent. Accordingly, the reflector means 6 is designed to be in tight contact with the rear surface of thewindow 2 by means of the provided surface of the reflector meansassembly 6. - The
assembly 6 preferably comprises a plurality of reflectors means 6a, 6b, 6c, 6d, 6e, 6f which are cavities, all of these cavities presenting the same shape. The shape substantially corresponds to a parallepiped box wherein the face in front of the display zone is opened. Each of these reflectors means 6a, 6b, 6c, 6d, 6e, 6f is selectively illuminated by one correspondinglight source light sources respective display zones light source - As shown in
figure 2 , the reflector means 6 are arranged with respect to thefront window 2 such that thereflectors respective display zones front window 2. Accordingly, the reflectors are arranged to illuminate an associated rear surface portion of thewindow 2 and thus a rear surface portion of an associated display zone. - The light sources are preferably held by
dedicated support members reflector assembly 6. Thesupport members light sources reflectors window 2 corresponding to the display zone associated to the respective light source. - As indicated in
figure 3 , which shows a partial sectional top view of the device, preferably each oflight sources front window 2 is arranged. - The main emission direction of the respective
light source front window 2 and/or with respect to a plane in which thefront window 2 is arranged. -
Figures 3 and4 make apparent that each reflector means 6a, 6d consists in a recession extending in the rear of therespective display zone recession recession front window 2 as apparent inFigure 3 . - For each recession the lateral walls 6a1, 6a2, 6a4 and 6d1, 6d2, 6d4 raises from its corresponding rear wall up 6a3 and 6d3 to the rear surface of the
front window 2. For eachrecession - two side lateral walls 6a2, 6a4, respectively 6d2, 6d4, parallel to the main emission direction of the light emitted by the
light source 5a, respectively 5d, (that is according to (M)), and - one end lateral wall 6a1, respectively 6d1, on the opposite side of the
light source 5a, respectively 5d. - For each
recession - According to the preferred design :
- the end lateral wall 6a1 abuts on the rear surface of the
front window 2 according to an angle α of about 25° with the plane (P) perpendicular to thefront window 2, and - the end of the rear wall 6a3 next to the
light source 5a is designed such that it is oriented with an angle β of about 83° with the plane (P) perpendicular to thefront window 2. - For each reflector the side 6a5 of the
recession 6a next to its respectivelight source 5a is opened. It can be totally opened as illustrated inFigure 4 - then therecession 6a can present no lateral wall 6a5 as illustrated inFigure 4 - or it can present a lateral wall 6a5 that is partially opened for light emission as illustrated inFigures 2 and 3 . The partial opening can improve illumination and presents also the interest of enabling the conformal cooperation of the reflector with the rear surface of window to maintain alabel 4a in between. - The
reflectors light source rear surface 2a of thefront window 2 and thus, to therespective display zones rear surface 2a of therespective display zone -
Figure 4 illustrates the preferred embodiment of areflector assembly 6 of the invention. The reflector means 6 is preferably an integral piece made from metal plastic, preferably in a light colour. Thereflector assembly 6 comprises a surface which is conformable formed to the rear surface of thewindow 2 in order to neatly sandwich a product information label between these surfaces. - The reflector means 6 further comprises shielding means 6d4, 6e5 for preventing the provision of light emitted by a respective light source to a display zone not associated with the respective light source. Such shielding means are formed by the upper and lower faces of the cavities of the reflector means 6d, 6e.
- In case the reflector means 6 are in contact with the rear surface of the
window 2, the shielding means 7a may thus prevent the provision of light from a first deflector to a neighboring deflector or display zone. -
Figure 5 relates to a rear view onto thefront door 10 of abeverage machine 20 according to the invention. Thefront door 10 may be connected to thehousing 20a by means ofjoints 10b formed at the inside face 10a of thefront door 10. Accordingly, the front door is movably attached to thehousing 20a. - The
front door 10 is designed to support thefront window 2 of the selection panel. Thereby, dedicated support means may be arranged at the circumference of thefront window 2 in order to fixedly connect thewindow 2, as well as theselection panel 1. - The assembly of
reflector 6 is preferably moveably connected to the inside face 10a of thefront door 10 by dedicated connection means 11 as illustrated inFigure 6 . For example a hinge orjoint member 11 may be provided for selectively connecting thereflector assembly 6 to thefront window 2 respectively to thefront door 10 such as to be in contact with therear surface 2a of thefront window 2. Accordingly, thereflector assembly 6 is designed to be brought from an open state in which aproduct information label front window 2 into a closed state in which thereflector assembly 6 is brought in contact with the rear surface of thefront window 2. In this closed state, the at least one product information label is preferably sandwiched between the rear surface of thefront window 2 and the upper surface of the reflector assembly. - Access to the product information labels respectively the sheet(s) of labels may thus be provided from the inside face 10a of the
front door 10 of the machine. Thereflector assembly 6 may be attached to the inside of the front door 10a by ahinge 11 so that it can be easily pulled to open the assembly of the selection front panel and remove the product information label(s). Thereflector assembly 6 may also comprise ahandle 12 to facilitate its movement with respect to thefront door 10 and/or thefront window 2. -
Figure 7 is a part ofFigure 3 in which the paths of two light beams L1, L2 have been illustrated. Each beam L1, L2 is reflected on the rear wall 6a3 and on the end lateral wall 6a1 as a plurality of sub-beams l1, l2 respectively. Due to the orientation of the reflecting walls 6a1, 6a3 compared to the emission axis M and the curved shape between said walls, light beam L1 reflecting on rear wall 6a3 creates sub-beams l1 homogeneously distributed on thedisplay zone 3a, whereas light beam L2 reflecting on rear wall 6a1 creates sub-beams l2 essentially distributed on the left part of thedisplay zone 3a closest to the side 6a5 of the reflector. As aconsequence display zone 3a is finally homogeneously crossed by reflected sub-beams l1 and l2 and no spot of light appears on said display zone for the user looking at the display zone from the exterior. A label positioned between along the surface of thedisplay zone 3a is homogeneously illuminated. - Although the present invention has been described with reference to preferred embodiments thereof, many modifications and alternations may be made by a person having ordinary skill in the art without departing from the scope of this invention which is defined by the appended claims.
Claims (13)
- A selection panel (1) for a beverage dispensing device comprising a front window (2) having :- at least one display zone (3a) designed for displaying a product information label (4a)- at least one light source (5a) for illuminating the product information label (4a) arranged in the display zone (3a) of the front window (2), said light source (5a) being arranged outside of the contours of the display zone (3a), and- a reflector means (6a) associated to said at least one light source (5a) designed for reflecting the light emitted by said light source (5a) towards the display zone (3a) of the front window (2),wherein :- the reflector means (6a) consists in a recession extending in the rear of the respective display zone (3a), the outlines of said recession comprising a side (6a5) of introduction of the light emitted by the light source, characterised in that the reflector further comprises a rear wall (6a3) and lateral walls (6a1, 6a2, 6a4),said lateral walls raising from said rear wall up to the rear surface of the front window (2) and said lateral walls comprising at least:• two side lateral walls (6a2, 6a4) parallel to the main emission direction of the light emitted by the light source (5a), and• one end lateral wall (6a1) on the opposite side (6a5) of introduction of the light emitted by the light source, andthe rear wall (6a3) and the end lateral wall (6a1) joining together according to a curved profile design, and
wherein the rear wall (6a3) and the end lateral wall (6a1) present a surface for diffusing reflected light. - A selection panel according to Claim 1, wherein the main emission direction of the light emitted by the light source (5a) is arranged essentially in parallel to a plane in which the front window (2) is arranged.
- A selection panel according to any one of claims 1 or 2, wherein the reflector means (6a) is arranged at the rear side of the front window (2) such as to homogeneously distribute the light provided by the respective light source (5a) towards a respective display zone (3a).
- A selection panel according to any one of the precedent claims, wherein in the recession of the reflector means, the side (6a5) of introduction of the light emitted by the light source is at least partially opened.
- A selection panel according to any one of any one of the precedent claims, wherein :- the end lateral wall (6a1) abuts on the rear surface of the front window (2) according to an angle α of about 25° with the plane (P) perpendicular to the front window (2), and- the end of the rear wall (6a3) next to the light source (5a) is designed such that it is oriented with an angle β of about 83° with the plane (P) perpendicular to the front window (2).
- A selection panel according to any one of the preceding claims, wherein the selection panel comprises a plurality of light sources (5a,5b,5c,5d,5e,5f), a plurality of associated display zones (3a, 3b, 3c, 3d, 3e, 3f) and a plurality of associated reflector means (6a, 6b, 6c, 6d, 6e, 6f).
- A selection panel according to the preceding claim, wherein the plurality of associated reflector means (6a, 6b, 6c, 6d, 6e, 6f) are assembled in a single piece of material (6).
- A selection panel according to any of the preceding claims, wherein respective light source (5a, 5b, 5c, 5d, 5e, 5f) is an LED lamp.
- A selection panel according to any one of the preceding claims, wherein the reflector means (6) is connectable to the front window (2) such as to support at least one product information label (4a) between a rear surface (2a) of the front window (2) and a conformable shaped upper surface (8a) of the reflector means (6).
- A selection panel according to any one of the preceding claims, wherein the front window (2) is void of any demarcation between respective display zones (3a, 3b, 3c, 3d, 3e, 3f).
- A beverage dispensing machine comprising a selection panel according to any one of claims 1 to 10.
- A beverage dispensing machine according to claim 11, wherein the machine comprises a front door (10) in which the front window (2) of the selection panel is supported and wherein the reflector means (6) is moveably attached to an inside face (10a) of the front door (10) by dedicated connection means (11).
- A beverage dispensing machine according to claim 11 or 12, wherein a front door (10) of the machine comprises at least one selection button (13a) arranged in vicinity to the respective display zone (3a) of the front window (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14732209.3A EP3014602B1 (en) | 2013-06-25 | 2014-06-24 | Selection panel for a beverage dispensing device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13173493 | 2013-06-25 | ||
EP14732209.3A EP3014602B1 (en) | 2013-06-25 | 2014-06-24 | Selection panel for a beverage dispensing device |
PCT/EP2014/063248 WO2014206971A1 (en) | 2013-06-25 | 2014-06-24 | Selection panel for a beverage dispensing device |
Publications (2)
Publication Number | Publication Date |
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EP3014602A1 EP3014602A1 (en) | 2016-05-04 |
EP3014602B1 true EP3014602B1 (en) | 2020-01-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14732209.3A Active EP3014602B1 (en) | 2013-06-25 | 2014-06-24 | Selection panel for a beverage dispensing device |
Country Status (3)
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US (1) | US10170025B2 (en) |
EP (1) | EP3014602B1 (en) |
WO (1) | WO2014206971A1 (en) |
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TWI735440B (en) * | 2015-04-17 | 2021-08-11 | 美商百事股份有限公司 | Printed user interface |
US10077180B2 (en) * | 2016-06-02 | 2018-09-18 | Cornelius, Inc. | Beverage dispensing heads with lighting modules |
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US4835661A (en) * | 1986-06-16 | 1989-05-30 | Weymouth Fogelberg | Enhanced lighting unit for displayable materials |
JP2749012B2 (en) * | 1987-08-28 | 1998-05-13 | 株式会社日立製作所 | Liquid crystal display |
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CA2432802A1 (en) * | 2000-12-21 | 2002-09-26 | Munroe Chirnomas | Method and apparatus for quick change display graphics on a merchandiser |
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JP5121305B2 (en) | 2007-05-25 | 2013-01-16 | スタンレー電気株式会社 | LED auxiliary lighting device |
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JP5406225B2 (en) * | 2010-12-06 | 2014-02-05 | エルジー イノテック カンパニー リミテッド | Backlight unit |
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- 2014-06-24 EP EP14732209.3A patent/EP3014602B1/en active Active
- 2014-06-24 WO PCT/EP2014/063248 patent/WO2014206971A1/en active Application Filing
- 2014-06-24 US US14/898,945 patent/US10170025B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
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Also Published As
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US10170025B2 (en) | 2019-01-01 |
WO2014206971A1 (en) | 2014-12-31 |
EP3014602A1 (en) | 2016-05-04 |
US20160372015A1 (en) | 2016-12-22 |
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